35 research outputs found

    The Bryozoan collection of the Museo Civico di Zoologia of Rome

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    The Museo Civico di Zoologia of Rome houses a collection of Bryozoa donated by Professor Carla Chimenz Gusso. The collection includes 1403 specimens preserved dried or in ethanol, 90 slides and 487 specimens on stubs (in gold). The collection also includes the types of Retevirgula akdenizae Chimenz, Nicoletti & Lippi Boncampi, 1997, and Plesiocleidochasma mediterraneum Chimenz Gusso & Soule, 2003. Most of the collection material was sampled in the Mediterranean Sea, largely off the Italian coasts, between the early 1970s and 2005. Besides species endemic to the Mediterranean Sea, the collection houses representatives of some species of particular conservation interest because considered threatened. They are: Reteporella aporosa (Waters, 1895), Reteporella feuerbornii (Hass, 1948), Reteporella grimaldii (Jullien, 1903) and Myriapora truncata (Pallas, 1766)

    Picnogonidi delle coste italiane: quadro delle conoscenze (Pycnogonida)

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    Volume: 78Start Page: 541End Page: 57

    TAXONOMIC NOTES ON SOME CHEILOSTOME BRYOZOA FROM THE PLIOCENE OF THE WESTERN EMILIA REGION (N ITALY)

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    From a well-preserved fossil assemblage of the mid-Pliocene (Piacenzian) Monte Padova section near Castell’Arquato (northern Italy), three cheilostome bryozoan species are described and figured. The dome-shaped, free-living Cupuladria bugei Reguant, described from the Pliocene of the eastern Atlantic, is characterised using SEM photography for the first time, and the present finding is the first from the Mediterranean realm. Similarly, the encrusting unilaminar Cleidochasmidra canakkalense Ünsal & d'Hondt, occasionally occurring independently of a substrate, was described from the Recent Mediterranean Sea but hitherto lacked a thorough SEM-based description. It has previously been reported only once from the Pliocene of Italy. Plesiocleidochasma mediterraneum Chimenz Gusso & Soule, occurring as uni- to plurilaminar encrustations or free of a substrate, was only recently described from the Mediterranean Sea while our finding represents its first fossil occurrence. For the latter two species no information on ancestrula morphology and early colony development was, until now, available from the existing literature
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